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Did you know?
There are more bacteria in your mouth than there are people in the world.
Did you know?
Medication errors are more common among seriously ill patients than with those with minor conditions.
Did you know?
There are 20 feet of blood vessels in each square inch of human skin.
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The familiar sounds of your heart are made by the heart's valves as they open and close.
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Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.